Photo No 20141018-0030-01 ~ 20141018-0030-04
Ricohflex III
The Ricohflex III of 1950 had a pair of similar Ricoh Anastigmat 1:3.5 f=80mm lenses. This was the world’s first mass-produced twin-lens reflex camera.
ref: http://camera-wiki.org/wiki/Ricohflex_%28geared_lens%29
ref: http://www.tlr-cameras.com/japanese/Ricoh.html